Garage Door Chain Hoist Opener -1:1 Reduced Drive, Direct Drive Chain Hoist for Roll Up Doors, Roller Shutter Doors, 330 Lbs Load Capacity

Excellent Performance: The garage door chain hoist comes with a quality material, a sturdy chain and ball bearings that give it a high load bearing which reaches 330 lbs Effort-saving: The 1:1 gear ratio allows you to pull up your roll-up door or garage door with less effort Smooth Lifting: The pre-lubricated lift ball bearing can reduce friction during rotation and ensure smoother lifting and lowering Quality Material: The garage door chain hoist is made of quality iron, which is not easy to wear, rust and deform Application: The garage door chain hoist is mainly used for pulling up the roller shutter door of garages, warehouses, and other places with hands